CHICAGO (CBS) — A milestone missed as the daughter of a Chicago Police officer, who died in the line of duty, graduated today.

Rebeca Marmolejo graduated from Mother McCauley High School.

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In place of her dad, dozens of other Chicago police officers attended the ceremony to show their support. Rebeca took photos with the officers and school staff, proudly displaying her diploma.

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Officer Eduardo Maramolejo and his partner, Conrad Gary, were struck by a South Shore commuter train while responding to a call of shots fired in the Rosemoor neighborhood back in December, 2018. Both officers died.

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Marmolejo, 36, was the married father of three girls, Rebeca, Madeleine and Sophia.